Finding the Fourth Proportional to 626,498.77, 864,568.94 and 340,018.99
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Solution
The fourth proportional to 626,498.77, 864,568.94 and 340,018.99 is: 469,226.55
Step by Step Solution
- Step 1: Write the proportion equation
626,498.77 : 864,568.94 = 340,018.99 : x - Step 2: Convert to fraction form
626,498.77/864,568.94 = 340,018.99/x - Step 3: Cross multiply
626,498.77x = 864,568.94 × 340,018.99 - Step 4: Simplify right side
626,498.77x = 293,969,857,764.17 - Step 5: Solve for x
x = 293,969,857,764.17/626,498.77 - Step 6: Final answer
x = 469,226.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.